| 301 | Garg, Aanya | John Monash Science School | Clayton | Mathematical Methods | 40 |
| 302 | Gazi, Taylan | Strathmore Secondary College | Strathmore | Mathematical Methods | 40 |
| 303 | Ge, Yutong | Suzanne Cory High School | Werribee | Mathematical Methods | 41 |
| 304 | Gebert, James David | Carey Baptist Grammar School | Kew | Mathematical Methods | 41 |
| 305 | Geisler, Une Zariki Elia | Oxley Christian College | Chirnside Park | Mathematical Methods | 43 |
| 306 | Gelder, Isabelle Grace | Melbourne Girls Grammar | South Yarra | Mathematical Methods | 44 |
| 307 | George, Joel | Melbourne High School | South Yarra | Mathematical Methods | 41 |
| 308 | Georgiou, Jacob Tsiakos | McKinnon Secondary College | McKinnon | Mathematical Methods | 40 |
| 309 | Ghods Hosseini, Avesta | Point Cook Senior Secondary College | Point Cook | Mathematical Methods | 40 |
| 310 | Giggins, Pierre Michael | Brighton Grammar School | Brighton | Mathematical Methods | 40 |
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| 311 | Giles, Imogen Lily | Penleigh and Essendon Grammar School | Keilor East | Mathematical Methods | 40 |
| 312 | Gillard, Emily Grace | Melbourne Girls Grammar | South Yarra | Mathematical Methods | 40 |
| 313 | Ginnige, Rythma Janani | Sacre Coeur | Glen Iris | Mathematical Methods | 45 |
| 314 | Giridharan, Shreyas | Bacchus Marsh Grammar | Bacchus Marsh | Mathematical Methods | 48 |
| 315 | Giuliani, Raymond Michael | Coburg Senior High School | Coburg | Mathematical Methods | 42 |
| 316 | Glasman, Segev | Bialik College | Hawthorn | Mathematical Methods | 43 |
| 317 | Goh, Isabel Zi Hsien | Presbyterian Ladies College | Burwood | Mathematical Methods | 46 |
| 318 | Goh, Pui Hon Carter | McKinnon Secondary College | McKinnon | Mathematical Methods | 41 |
| 319 | Goh, Yu Ken | Penleigh and Essendon Grammar School | Keilor East | Mathematical Methods | 42 |
| 320 | Goldberg, Leonardo | Bialik College | Hawthorn | Mathematical Methods | 42 |
| 321 | Goldhirsch, Eli | Leibler Yavneh College | Elsternwick | Mathematical Methods | 46 |
| 322 | Golding, Daniel Zavier | Penleigh and Essendon Grammar School | Keilor East | Mathematical Methods | 42 |
| 323 | Golebiewska, Valerie | Vermont Secondary College | Vermont | Mathematical Methods | 48 |
| 324 | Gone, Maheet | Haileybury College | Keysborough | Mathematical Methods | 40 |
| 325 | Good, Fletcher Oliver | Echuca College | Echuca | Mathematical Methods | 46 |
| 326 | Goode, Daniel Jonathon | Albert Park College | Albert Park | Mathematical Methods | 43 |
| 327 | Goode, Thomas Lewis Kristian | Elisabeth Murdoch College | Langwarrin | Mathematical Methods | 40 |
| 328 | Gopalan, Pranav | Suzanne Cory High School | Werribee | Mathematical Methods | 44 |
| 329 | Gordon, Jeremy Noah | Mount Scopus Memorial College | Burwood | Mathematical Methods | 46 |
| 330 | Gore, Anant Vasant | Glen Waverley Secondary College | Glen Waverley | Mathematical Methods | 44 |
| 331 | Gould, Jacob Kenneth | Mount Lilydale Mercy College | Lilydale | Mathematical Methods | 41 |
| 332 | Govekar, Vedant Devidas | Vermont Secondary College | Vermont | Mathematical Methods | 41 |
| 333 | Goyal, Shreyas | Melbourne High School | South Yarra | Mathematical Methods | 40 |
| 334 | Gray, Archer Oliver | The Geelong College | Newtown | Mathematical Methods | 41 |
| 335 | Green, Rohan Conor | Melbourne High School | South Yarra | Mathematical Methods | 44 |
| 336 | Green, William Darcy | Thornbury High School | Thornbury | Mathematical Methods | 43 |
| 337 | Grinton, Jonathan | Donvale Christian College | Donvale | Mathematical Methods | 46 |
| 338 | Groom, Thomas | Scotch College | Hawthorn | Mathematical Methods | 40 |
| 339 | Gu, Grace | Haileybury Girls College | Keysborough | Mathematical Methods | 45 |
| 340 | Gulati, Kashvie | Haileybury Girls College | Keysborough | Mathematical Methods | 42 |
| 341 | Gulwani, Aashish Harish | Melbourne High School | South Yarra | Mathematical Methods | 48 |
| 342 | Guo, Leo Gengshu | Trinity Grammar School | Kew | Mathematical Methods | 42 |
| 343 | Guo, Xuanye | Carey Baptist Grammar School | Kew | Mathematical Methods | 44 |
| 344 | Guo, Yuhao | St Leonards College | Brighton East | Mathematical Methods | 48 |
| 345 | Gupta, Anagha | Good News Lutheran College | Tarneit | Mathematical Methods | 42 |
| 346 | Gupta, Poorva | MacRobertson Girls High School | Melbourne | Mathematical Methods | 40 |
| 347 | Haider, Rafid | Melbourne Grammar School | Melbourne | Mathematical Methods | 44 |
| 348 | Hajduk, Peter Stanislaw | Mazenod College | Mulgrave | Mathematical Methods | 44 |
| 349 | Halim, Grace Davina | MacRobertson Girls High School | Melbourne | Mathematical Methods | 44 |
| 350 | Hall, Charles Donald | Mansfield Secondary College | Mansfield | Mathematical Methods | 40 |